Template:Aliens

Aliens
Rigellians
Bagpipe Rigellian • Kang Johnson • Kodos Johnson • Kamala • Kang and Kodos' father • Kang and Kodos' mother • Klaunax • Klondar • Rigellian announcer • Rigellian couple • Rigellian humanologist • Rigellian Lisa • Rigellian mother • Rigellian queen (The Man Who Came to Be Dinner) • Rigellian queen (Treehouse of Horror XXII) • Rigellian resistance • Serak the Preparer • Larry H. Zeeblezorp
Other aliens
Admiral Ackbar • ALF • Bartron • Black hole aliens • The Blob • Brain Spawn • Burns' alien • Chewbacca • Darren • The Doctor • E.T. • Gort • The Great Gazoo • Groot • Horrible Gelatinous Blob • Jabba the Hutt • Kif Kroker • Lrrr • Martians • Marvin the Martian • Moonhilda • Morbo • Ndnd • Neytiri • Nibbler • Number 51 • Ozmodiar • Pod People • Phloem • Rocket Raccoon • Max Rebo • Roswell • Rotta • Roger Smith • Space broccoli • Space Mutants • Superman/Clark Kent • Tahn-Enn-Bahm • Herb Tannenbaum • Thanos • Trey • Venusians • Allen Wrench • Xylem • Yoda • Zoidberg • Zombies (Zombie child • Zombie father)
Radioactive Man
Bug Boy • Chex 17-22-7 • Flox 43-22-7 • Grand Hive-Minder • Space alien